Gastroenterologist and AMSURG partner Raj Devarajan, M.D., of Middlesex Endoscopy Center, LLC, in Acton, Mass., was elected staff president of Emerson Hospital in Concord, Mass. and began his two-year term on Oct. 1, 2015. As staff president, Devarajan is responsible for providing leadership to his colleagues and acting as a liaison between the medical staff and the hospital’s administration and board of directors.